Home / 869,850.72-1,200,466.44-482,702.58

Finding the Fourth Proportional to 869,850.72, 1,200,466.44 and 482,702.58

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Solution

The fourth proportional to 869,850.72, 1,200,466.44 and 482,702.58 is: 666,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,850.72 : 1,200,466.44 = 482,702.58 : x
  2. Step 2: Convert to fraction form
    869,850.72/1,200,466.44 = 482,702.58/x
  3. Step 3: Cross multiply
    869,850.72x = 1,200,466.44 × 482,702.58
  4. Step 4: Simplify right side
    869,850.72x = 579,468,247,791.42
  5. Step 5: Solve for x
    x = 579,468,247,791.42/869,850.72
  6. Step 6: Final answer
    x = 666,169.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.